Current conditions at

Pease Air Force Base / Portsmouth (KPSM)

Lat: 43.08°NLon: 70.82°WElev: 102ft.

Mostly Cloudy

76°F

24°C

Humidity 53%
Wind Speed SE 9 mph
Barometer 30.04 in (1017.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 25 Jun 4:55 pm EDT
Extended Forecast for

New Castle NH

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am.  Mostly cloudy, with a low around 60. South wind around 5 mph.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Partly sunny, with a high near 75. South wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm.  Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 60. Calm wind.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Fog

  • Saturday

    Saturday: A 30 percent chance of showers after 11am.  Partly sunny, with a high near 72. Calm wind becoming east around 5 mph in the afternoon.

    High: 72 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 60. South wind around 5 mph.
Friday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 75. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers after 11am. Partly sunny, with a high near 72. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 60. Calm wind.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 60.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
New Castle NH
 43.04°N 70.72°W (Elev. 3 ft)
2:25 pm EDT Jun 25, 2026
5pm EDT Jun 25, 2026-6pm EDT Jul 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database